Obesity remains a serious health problem and it is no secret that many people want to lose weight. Behavioral economists typically argue that “nudges” help individuals with various decisionmaking flaws to live longer, healthier, and better lives. In an article in the new issue of Regulation, Michael L. Marlow discusses how nudging by government differs from nudging by markets, and explains why market nudging is the more promising avenue for helping citizens to lose weight.

Two long wars, chronic deficits, the financial crisis, the costly drug war, the growth of executive power under Presidents Bush and Obama, and the revelations about NSA abuses, have given rise to a growing libertarian movement in our country – with a greater focus on individual liberty and less government power. David Boaz’s newly released The Libertarian Mind is a comprehensive guide to the history, philosophy, and growth of the libertarian movement, with incisive analyses of today’s most pressing issues and policies.

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Warren Buffett: Good Investor, Crummy Economist

Warren Buffett once said that it wasn’t right for his secretary to have a higher tax rate than he faced, leading me to point out that he didn’t understand tax policy. The 15 percent tax rates on dividends and capital gains to which he presumably was referring represents double taxation, and when added to the tax that already was paid on the income he invested (and the tax that one imagines will be imposed on that same income when he dies), it is quite obvious that his effective marginal tax rates is much higher than anything his secretary pays. Though he is right that his secretary’s tax rate is much too high.

Taxpayer anger against President Barack Obama and Congress is counterproductive because policy makers took measures including deficit spending to stimulate the economy, billionaire investor Warren Buffett told CNBC. …“I hope we get over it pretty soon, because it’s not productive,’’ Buffett said. “We will come back regardless of how people feel about Washington, but it is not helpful to have people as unhappy as they are about what’s going on in Washington.” …“The truth is we’re running a federal deficit that’s 9 percent of gross domestic product,” Buffett said. “That’s stimulative as all get out. It’s more stimulative than any policy we’ve followed since World War II.”

About the only positive thing one can say about Buffett’s fiscal policy track record is that he is nowhere close to being the most inaccurate person in the United States, a title that Mark Zandi surely will own for the indefinite future.